# CalcApp vs Calc²

The clearest difference is in-app purchases: Calc² at none against CalcApp's 2. Calc² also leads on rating (5.0 vs 4.6) and device support (4 vs 2). CalcApp's advantage is ratings volume (19 vs 2). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. CalcApp sells 2 one-off in-app purchases. Calc² asks for nothing beyond the download.

Calc² holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: CalcApp has 19 ratings behind it against 2, so its average is the more settled of the two.

CalcApp ships an update every 3 weeks, Calc² every 11 days. The most recent releases landed on August 9, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | CalcApp | Calc² |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (19 ratings)](https://appshunter.io/ios/app/calcapp-simple-calculator/id1211638570/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calc/id1330270164/reviews)** |
| Number of ratings | **19** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free | Free |
| Size | 4 MB | 24 MB |
| Requires iOS | 16.4 | **11.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [尉 张](https://appshunter.io/developer/1211638569) | [Manar Alhamdy](https://appshunter.io/developer/886179203) |

## What reviewers say

### CalcApp

[App page](https://appshunter.io/ios/app/calcapp-simple-calculator/id1211638570)

This app combines basic arithmetic, scientific functions, programmer conversions, and unit conversions into a single, easy-to-use tool. It automatically saves all your calculations to a history log, ensuring you never lose important data.

**Highlights:** Basic Arithmetic, Scientific Calculator, Programmer Mode, Unit Converter, History Tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | one-time |
| Annual Subscription | $1.99 | one-time |


### Calc²

[App page](https://appshunter.io/ios/app/calc/id1330270164)

A customizable, one-handed calculator designed for iPad. Easily switch layouts for left-handed use and adjust decimal places and animations. Personalize themes that also change the app icon.

**Highlights:** One-handed typing support, Left-handed layout option, Copy/Paste functionality, Calculation history, Customizable themes and app icons, Adjustable decimal places, Adjustable animations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CalcApp free?

CalcApp is free to download, with in-app purchases available.

### Is Calc² free?

Calc² is free to download, with no in-app purchases.

### Which has better reviews, CalcApp or Calc²?

Calc² is rated higher. CalcApp averages 4.6 out of 5 from 19 ratings, while Calc² averages 5.0 from 2 ratings.

### Do CalcApp or Calc² have ads?

Neither CalcApp nor Calc² shows ads.

### Which is updated more often, CalcApp or Calc²?

CalcApp ships an update every 3 weeks, and Calc² every 11 days. Most recently, CalcApp was updated on August 9, 2026 and Calc² on August 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*